Finding the Fourth Proportional to 736,106.49, 1,015,862.99 and 413,917.65
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Solution
The fourth proportional to 736,106.49, 1,015,862.99 and 413,917.65 is: 571,226.62
Step by Step Solution
- Step 1: Write the proportion equation
736,106.49 : 1,015,862.99 = 413,917.65 : x - Step 2: Convert to fraction form
736,106.49/1,015,862.99 = 413,917.65/x - Step 3: Cross multiply
736,106.49x = 1,015,862.99 × 413,917.65 - Step 4: Simplify right side
736,106.49x = 420,483,619,473.19 - Step 5: Solve for x
x = 420,483,619,473.19/736,106.49 - Step 6: Final answer
x = 571,226.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.